Vuln Signal Radar
public-safe defensive signal
CRITICALpublic-safe

CVE-2026-13423

NVD: The Streamit WordPress theme through 4.5.0 does not perform any authorization or nonce verification on one of its unauthenticated AJAX routes, which invokes an attacker-supplied PHP function with an attacker-supplied argument array, allowing unauthenticated...

CVSS
9.8
Severity
CRITICAL
EPSS
0.0054 (42)
KEV
-

Source-published summary

NVD: The Streamit WordPress theme through 4.5.0 does not perform any authorization or nonce verification on one of its unauthenticated AJAX routes, which invokes an attacker-supplied PHP function with an attacker-supplied argument array, allowing unauthenticated...

Possible impact

Source describes code execution review · privilege escalation risk · remote exposure. Possible impact: A remote attacker may be able to run code or commands on affected systems.

Affected context

Affected product or version requires source confirmation.

Remediation / advisory

Remediation reference present; patch status requires confirmation in the linked advisory.

Why it matters

Source describes code execution review · privilege escalation risk · remote exposure. Possible impact: A remote attacker may be able to run code or commands on affected systems.; CVSS 9.8 (CRITICAL); EPSS percentile 42; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

remote exposure

Impact tags

code execution reviewprivilege boundary reviewremote exposure relevantauthenticated boundary review

Urgency reasons

CVSS CRITICALvendor advisory presentrecent update

Source-derived note

Summary derived from NVD description; unsafe procedural detail is not shown.

Redaction metadata

source summary used
True
fallback summary used
False
unsafe procedural detail present
false
raw source displayed
false
public summary redacted
true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.

Official references